You gain 4 life. Bolster 2. (Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it.)

When Hooded Assassin enters the battlefield, choose one —

• Put a +1/+1 counter on Hooded Assassin.

• Destroy target creature that was dealt damage this turn.

Whenever you draw a card, you may put a hoofprint counter on Hoofprints of the Stag.

, Remove four hoofprint counters from Hoofprints of the Stag: Create a 4/4 white Elemental creature token with flying. Activate only during your turn.

Enchant creature

Enchanted creature gets +1/+1 for each creature you control.

As long as enchanted creature is a Human, it has first strike.

Whenever Horde Ambusher blocks, it deals 1 damage to you.

Morph—Reveal a red card in your hand. (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Horde Ambusher is turned face up, target creature can't block this turn.

Vigilance, trample, haste

: You may play target Elemental card from your graveyard without paying its mana cost.

Flying

Other Zombies you control have flying.

Whenever one or more Zombies you control deal combat damage to one or more of your opponents, you may draw cards equal to the number of opponents dealt damage this way. If you do, discard that many cards.

Flying

When Horizon Scholar enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Boast — : Search your library for a basic land card, reveal it, put it into your hand, then shuffle. (Activate only if this creature attacked this turn and only once each turn.)

If you would lose unspent mana, that mana becomes colorless instead.

Equipped creature gets +1/+1 for each creature you control.

Equip

Create a 4/4 green Rhino creature token with trample, then populate. (Create a token that's a copy of a creature token you control.)

Menace

When Horned Stoneseeker enters the battlefield, create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

When Horned Stoneseeker leaves the battlefield, sacrifice a Powerstone.

Defender (This creature can't attack.)

Whenever Hornet Nest is dealt damage, create that many 1/1 green Insect creature tokens with flying and deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

Counter target creature spell. You create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

If you control a Swamp, destroy target nonblack creature.

Splice onto Arcane—Exile four cards from your graveyard. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Lifelink

Whenever Horrid Shadowspinner attacks, you may draw cards equal to its power. If you do, discard that many cards.

Sacrifice a Swamp: Regenerate target black creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

Return up to two target creatures to their owners' hands. Scry 1. The Ring tempts you.

When Hostage Taker enters the battlefield, exile another target creature or artifact until Hostage Taker leaves the battlefield. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.

: Add .

, , Sacrifice a creature: Put a soul counter on Hostile Hostel. Then if there are three or more soul counters on it, remove those counters, transform it, then untap it. Activate only as a sorcery.

Haste (This creature can attack and as soon as it comes under your control.)

Enchant land

Enchanted land has ": Target creature can't block this turn."

Haste

If a spell you control would deal damage to an opponent, prevent that damage. Create a 3/1 red Elemental Shaman creature token with haste for each 1 damage prevented this way.

When Hostility is put into a graveyard from anywhere, shuffle it into its owner's library.

Equipped creature can't be blocked.

Whenever equipped creature is dealt damage, destroy it.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

When Hotshot Investigators enters the battlefield, return up to one other target creature to its owner's hand. If you controlled it, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Double strike

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.

: Add . Put a time counter on Hourglass of the Lost.

, Remove X time counters from Hourglass of the Lost and exile it: Return each nonland permanent card with mana value X from your graveyard to the battlefield. Activate only as a sorcery.

Flying

Hoverguard Observer can block only creatures with flying.

Flying

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

: Put target card from a graveyard on the bottom of its owner's library.

Return CARDNAME to its owner's hand.

Flying

When Howling Banshee enters the battlefield, each player loses 3 life.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Howlpack of Estwald.

: Put target creature card from your graveyard on top of your library. Activate only during your turn, before attackers are declared.

+2: Put two +1/+1 counters on up to one target Dinosaur you control.

−3: Target Dinosaur you control deals damage equal to its power to target creature you don't control.

−7: Dinosaurs you control get +4/+4 until end of turn.

Target creature you control gets +1/+0 until end of turn. It deals damage equal to its power to target creature an opponent controls.

Vigilance (Attacking doesn't cause this creature to tap.)

Return target creature and all Auras attached to it to their owners' hands.

: Add one mana of any color. Spend this mana only to cast a creature spell.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Target creature gets +1/+0 and gains first strike until end of turn.

Splice onto Arcane—Tap an untapped white creature you control. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

At the beginning of your upkeep, sacrifice Hungry Mist unless you pay .

Create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life."

Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Hunted Phantasm can't be blocked.

When Hunted Phantasm enters the battlefield, target opponent creates five 1/1 red Goblin creature tokens.

When Hunted Wumpus enters the battlefield, each other player may put a creature card from their hand onto the battlefield.

All Sliver creatures have provoke. (Whenever a Sliver attacks, its controller may have target creature defending player controls untap and block it if able.)

Equipped creature gets +1/+1.

Equipped creature has deathtouch as long as it's your turn. Otherwise, it has reach.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Put a +1/+1 counter on target creature you control. Then that creature deals damage equal to its power to target creature you don't control.

Choose target creature you control. Whenever that creature deals combat damage to a player or planeswalker this turn, draw that many cards.